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Optimization of micellar electrokinetic chromatography method for the simultaneous determination of seven hydrophilic and four lipophilic bioactive components in three salvia species
Cao,Jiliang1; Hu,Ji1; Wei,Jinchao1; Li,Baocai2; Zhang,Mi2; Xiang,Cheng2; Li,Peng1
2015-08-01
Source PublicationMolecules
ISSN1420-3049
Volume20Issue:8Pages:15304-15318
Abstract

A micellar electrokinetic chromatography (MEKC) method was developed for the simultaneous determination of seven hydrophilic phenolic acids and four lipophilic tanshinones in three Salvia species. In normal MEKC mode using SDS as surfactant, the investigated 11 compounds could not be well separated. Therefore, several buffer modifiers including β-cyclodextrins (β-CD), ionic liquid 1-butyl-3-methylimidazolium tetrafluoroborate ([bmim]BF4) and organic solvents have been added to the buffer solution to improve the separation selectivity. Under the optimized conditions (BGE, 15 mM sodium tetraborate with 10 mM SDS, 5 mM β-CD, 10 mM [bmim]BF4 and 15% ACN (v/v) as additives; buffer pH, 9.8; voltage, 20 kV; temperature, 25 °C), the 11 investigated analytes could achieve baseline separation in 34 min. The proposed MEKC was additionally validated by evaluating the linearity (R2 ≥ 0.9965), LODs (0.27-1.39 μgmL-1), and recovery (94.26%-105.17%), demonstrating this method was reproducible, accurate and reliable. Moreover, the contents of the 11 compounds in three Salvia species, including S. miltiorrhiza, S. przewalskii and S. castanea were analyzed. The result showed that the established MEKC method was simple and practical for the simultaneous determination of the hydrophilic and lipophilic bioactive components in Salvia species, which could be used to effectively evaluate the quality of these valued medicinal plants.

KeywordBuffer Modifiers Micellar Electrokinetic Chromatography Phenolic Acids Salvia Species Tanshinones
DOI10.3390/molecules200815304
URLView the original
Indexed BySCIE
WOS Research AreaBiochemistry & Molecular Biology ; Chemistry
WOS SubjectBiochemistry & Molecular Biology ; Chemistry, Multidisciplinary
WOS IDWOS:000361375400109
Scopus ID2-s2.0-84941584561
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Citation statistics
Document TypeJournal article
CollectionInstitute of Chinese Medical Sciences
Corresponding AuthorLi,Baocai
Affiliation1.State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau,999078,Macao
2.Faculty of Life Science and Technology, Kunming University of Science and Technology,Kunming,650500,China
First Author AffilicationInstitute of Chinese Medical Sciences
Recommended Citation
GB/T 7714
Cao,Jiliang,Hu,Ji,Wei,Jinchao,et al. Optimization of micellar electrokinetic chromatography method for the simultaneous determination of seven hydrophilic and four lipophilic bioactive components in three salvia species[J]. Molecules, 2015, 20(8), 15304-15318.
APA Cao,Jiliang., Hu,Ji., Wei,Jinchao., Li,Baocai., Zhang,Mi., Xiang,Cheng., & Li,Peng (2015). Optimization of micellar electrokinetic chromatography method for the simultaneous determination of seven hydrophilic and four lipophilic bioactive components in three salvia species. Molecules, 20(8), 15304-15318.
MLA Cao,Jiliang,et al."Optimization of micellar electrokinetic chromatography method for the simultaneous determination of seven hydrophilic and four lipophilic bioactive components in three salvia species".Molecules 20.8(2015):15304-15318.
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